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21336336401060 = 22519469111969357
BaseRepresentation
bin1001101100111110000001…
…10000001000001010100100
32210112201210222011101102202
410312133000300020022210
510244033304104313220
6113213435544554032
74331333210015522
oct466370060101244
983481728141382
1021336336401060
11688676473014a
12248715ba82918
13bba0144434b5
1453a9815cb312
15270018d1c275
hex1367c0c082a4

21336336401060 has 48 divisors (see below), whose sum is σ = 47174591298240. Its totient is φ = 8083624268160.

The previous prime is 21336336401011. The next prime is 21336336401069. The reversal of 21336336401060 is 6010463363312.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (21336336401069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4202099 + ... + 7767258.

It is an arithmetic number, because the mean of its divisors is an integer number (982803985380).

Almost surely, 221336336401060 is an apocalyptic number.

21336336401060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21336336401060 is an abundant number, since it is smaller than the sum of its proper divisors (25838254897180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21336336401060 is a wasteful number, since it uses less digits than its factorization.

21336336401060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11974076 (or 11974074 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 38.

Adding to 21336336401060 its reverse (6010463363312), we get a palindrome (27346799764372).

The spelling of 21336336401060 in words is "twenty-one trillion, three hundred thirty-six billion, three hundred thirty-six million, four hundred one thousand, sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 4691 9382 18764 23455 46910 89129 93820 178258 356516 445645 891290 1782580 11969357 23938714 47877428 59846785 119693570 227417783 239387140 454835566 909671132 1137088915 2274177830 4548355660 56148253687 112296507374 224593014748 280741268435 561482536870 1066816820053 1122965073740 2133633640106 4267267280212 5334084100265 10668168200530 21336336401060